32" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 18 5/8"] Material_Aluminum + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 12"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height

+ Product Details Size – 16"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 12 5/8" width X 8 5/8" height -

High Quality – High quality steel construction

32" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 34 5 8" X 18 5 8"] Material_Aluminum + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 12"w X 4"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 22 5 8" width X 38 5 8" height